Quick Start Guide
RTK for Astro
The instructions below are more specific to Alta X. For instructions on how to use RTK with Astro, please follow one of these links:
Pre-requisites
Before operating the RTK GPS, you should have the following:
Alta X with RTK GPS
If you are retrofitting RTK GPS onto an existing Alta X, follow the installation guide.
Alta X running firmware v1.3 or above (see firmware update steps here)
Telemetry Radio, such as the Freefly FRX Pro
Base Station RTK GPS module on a stable mount (tripod is recommended!) and a USB-C Cable
Alta QGroundControl v1.3 or above running on Windows or macOS (download on support page)
Operation Checklist
Title | Title | |
1. | Get Alta powered on and ready to fly | |
2. | Install base station module onto mount | |
3. | Connect Alta QGroundControl to aircraft | |
4. | Click the "RTK" symbol to open the status window | |
5. | Connect base station module to laptop via USB | |
6. | Ensure QGroundControl recognized the module
| |
7. | Open RTK status window and press "Restart" button to initiate survey-in. | |
8. | Wait until GPS Status says "GPS Initializing." Note: If the status does not change after 10 seconds, refer to the troubleshooting section. | |
9. | Wait for GPS Status to change to "Survey-in Complete". Note: The survey-in process will complete after the minimum survey-in time has completed (typically 180s) AND the accuracy is below the configured threshold (2m). See the configuration page for adjusting these parameters. |
|
10. | Wait for Aircraft GPS status of "RTK GPS Lock (fixed)" | |
11. | Ensure that Aircraft location is correctly indicated on the map | |
12. | Fly and enjoy! |
Any time you move the base station GPS, it is recommended that you manually restart survey-in by clicking on the "Restart" button. This ensures that the base station updates its location and provides optimal absolute positioning.
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